see what's new from campbell's. it's amazing what soup can do. >> eric: early voters in kansas, ohio, and now north carolina say they've tried to vote for mitt romney, but the check went to obama. so is your vote at risk? one man served on the board of advisors of the south elections systems commission. could you tell us how this might happen? >> well, they're using electronic voting machines which are basically touch screen computers similar to ipads or the white boards that teachers and students use. they have to be very carefully calibrated so the screen image matches up with where you touch the computer screen. if it's misaligned, then you're going to get the kind of problems that have been reported. >> eric: so let me ask you this is this a software glitch, or is it something more insidious? could it be deliberate? >> no. it's probably a glitch. each machine has to be carefully tested and calibrated to make sure it's been aligned properly. if it gets out of alignment, then you'll have this kind of problem cropp